12102111200100 has 36 divisors (see below), whose sum is σ = 35015441739824. Its totient is φ = 3227229653280.

The previous prime is 12102111200099. The next prime is 12102111200129. The reversal of 12102111200100 is 100211120121.

It is a super-2 number, since 2×12102111200100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20170185034 + ... + 20170185633.

Almost surely, 2^{12102111200100} is an apocalyptic number.

12102111200100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102111200100 is an abundant number, since it is smaller than the sum of its proper divisors (22913330539724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102111200100 is a wasteful number, since it uses less digits than its factorization.

12102111200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340370684 (or 40340370677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102111200100 its reverse (100211120121), we get a palindrome (12202322320221).

The spelling of 12102111200100 in words is "twelve trillion, one hundred two billion, one hundred eleven million, two hundred thousand, one hundred".